bf609: change ad7877 cs and irq pin

Extend chip select number supported by spi master as well
because we can accept SPISEL1-SPISEL7 and all GPIO.

Signed-off-by: Scott Jiang <[e-mail]>
Signed-off-by: Bob Liu <[e-mail]>

arch/blackfin/mach-bf609/boards/ezkit.c

···
 	{
 		.modalias		= "ad7877",
 		.platform_data		= &bfin_ad7877_ts_info,
-		.irq			= IRQ_PB4,	/* old boards (<=Rev 1.3) use IRQ_PJ11 */
+		.irq			= IRQ_PD9,
 		.max_speed_hz		= 12500000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num		= 0,
-		.chip_select  		= 2,
+		.chip_select  		= 4,
 	},
 #endif
 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
···
 
 /* SPI controller data */
 static struct bfin6xx_spi_master bf60x_spi_master_info0 = {
-	.num_chipselect = 4,
+	.num_chipselect = MAX_CTRL_CS + MAX_BLACKFIN_GPIOS,
 	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 };
 
···
 };
 
 static struct bfin6xx_spi_master bf60x_spi_master_info1 = {
-	.num_chipselect = 4,
+	.num_chipselect = MAX_CTRL_CS + MAX_BLACKFIN_GPIOS,
 	.pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
 };